Wrist deformities

Jersey finger

avulsion injury of flexor digitorum profundus

drop wrist defority

extesnor muscles are paralyzed due to radial nerve palsy

ape hand deformity

injury to median nerve

swan neck deformity

contracture of the intrinicis muscles or tearing of the volar plate

rheumatoid arthrits

siginificant swelling of MCP joints

spoon shaped nails

results in fungal infection, anemia, iron defeiciency, or long term diabetes

boutonniere deformity

rupture of the central teninous slip of the extensor hood

trigger finger

thickening of the flexor tendon sheath

clubbed nails

hypertrophy of the underlying soft tissue or respiratoy or cardiac problems

mallet finger

rupture or avulsion of the extensor tendon

myelopathy hand

upper motor neuron lesion pathology

claw fingers

loss of instrinsic muscle action due to a combined median and ulnar nerve lesion

bishops or benediction hand deformity

wasting and atrophy of the hypothenar muscles due to ulnar nerve injury

dupuyten contracture

contracture of the palmar fascia